#ifndef ABOUT_H
#define ABOUT_H

#include <QWidget>
#include<widget.h>

class Widget;
namespace Ui {
class about;
}

class about : public QWidget
{
    Q_OBJECT

public:
    explicit about(QWidget *parent = 0);
    ~about();
    void paintEvent(QPaintEvent *);

private:
    Ui::about *ui;
signals:
    //写一个自定义信号，告诉widget，点击了返回
    void chooseback();
};

#endif // ABOUT_H
